body{
 	background: #252222;
 	font-size: 62.5%;
 	overflow: hidden;
 	padding: 0;
 	margin: 0;

 }
div {
	box-sizing: border-box;
}

#app{
	position: absolute;
 	left: 0;
 	top: 0;
 	margin: 0;
 	padding: 0;
 	width: 100%;
 	height: 100%;
 	overflow: hidden;
}

.scene{
	position: absolute;
	top: 100%;
	left: 0;
	width: 100%;
	height: 100%;
	overflow: hidden;
	//transition: top 1s,opacity 1s, bottom 1s;
	
}

